Fatto generale: 2317 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2317 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 2317 is a boring number.
Data storica: May 5th is the day in 1809 that Mary Kies becomes the first woman awarded a U.S. patent, for a technique of weaving straw with silk and thread.